Finding the Fourth Proportional to 1,941.83, 2,679.63 and 1,057.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,941.83 : 2,679.63 = 1,057.58 : x
2. Step 2: Convert to fraction form
   1,941.83/2,679.63 = 1,057.58/x
3. Step 3: Cross multiply
   1,941.83x = 2,679.63 × 1,057.58
4. Step 4: Simplify right side
   1,941.83x = 2,833,909.70
5. Step 5: Solve for x
   x = 2,833,909.70/1,941.83
6. Step 6: Final answer
   x = 1,459.41